In his campaign to promote lamb Kekovich confesses to falling victim to a serious medical condition.

"I've been crooker than Lance Armstrong on a tour of a blood bank," Kekovich says in the advertisement.

"I've got 'lambnesia'. It makes you forget about what makes this country great and fills your head with a lot of un-Australian bull-dust."

• Australia officially second-best country in the world
• Putting Australia's general knowledge to the test
• Australia's changing face

The Meat and Livestock Australia ad campaign is officially launched tomorrow.

What it means to be un-Australian

• Meat and Livestock Australia - www.mla.com.au